StockDriftsStockDriftsTop 50 S A Mason LLC Holdings
| Stock | Company | % Port. | Shares | Value | Activity | Ownership | Avg. Cost | Date |
|---|---|---|---|---|---|---|---|---|
| NVDA | NVIDIA Corp | 5.5% | 82.0K | $18.7M | +1.94%(+1.56K) | $14.58(+1388.87%) | 2026-09-30 | |
| VSDM | Vanguard Short Duration Tax-Exm Bd ETF | 3.93% | 179.8K | $13.4M | +9.69%(+15.87K) | $76.40(-1.75%) | 2026-09-30 | |
| VOO | Vanguard S&P 500 ETF | 3.61% | 17.5K | $12.3M | +11.34%(+1.78K) | $554.81(+27.00%) | 2026-09-30 | |
| VTI | Vanguard Total Stock Market ETF | 3.46% | 31.5K | $11.8M | +11.45%(+3.23K) | $218.39(+71.96%) | 2026-09-30 | |
| IVV | iShares Core S&P 500 ETF | 3.04% | 13.5K | $10.4M | -0.08%(-11) | $444.35(+73.29%) | 2026-09-30 | |
| VTES | Vanguard Short-Term Tax-Exmpt Bd ETF | 2.92% | 101.0K | $10.0M | +9.24%(+8.54K) | $101.27(-1.74%) | 2026-09-30 | |
| MSFT | Microsoft Corp | 2.55% | 16.9K | $8.7M | +0.22%(+38) | $178.88(+198.25%) | 2026-09-30 | |
| VO | Vanguard Mid-Cap ETF | 2.26% | 98.2K | $7.7M | +4.47%(+4.21K) | $54.33(+47.40%) | 2026-09-30 | |
| AAPL | Apple Inc | 2.26% | 23.1K | $7.7M | -1.07%(-249) | $96.42(+255.66%) | 2026-09-30 | |
| VB | Vanguard Small-Cap ETF | 2.22% | 26.6K | $7.6M | +3.10%(+799) | $200.36(+41.96%) | 2026-09-30 |
| Performance Metric | 3-Year Annualized | 3-Year Cumulative | 5-Year Annualized | 5-Year Cumulative |
|---|---|---|---|---|
| Top 20 Holdings Weighted | +20.27% | +73.98% | +12.85% | +82.99% |
| Top 20 Holdings Unweighted | +17.12% | +60.66% | +11.70% | +73.86% |
S A Mason LLC reports $340.62M in US-listed equity holdings across 284 positions in its most recent 13F filing. Its largest disclosed positions are NVDA (5.5%), VSDM (3.9%) and VOO (3.6%). The top 20 holdings account for 45.61% of reported assets. Its disclosed equity book has returned +73.98% on a three-year cumulative basis. Figures reflect the Q3 2026 filing.
Portfolio changes
Every reported change this quarter, grouped by direction. The signal is in the rotation, not any single trade.
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Holdings on this page are parsed from S A Mason LLC’s Form 13F filings with the U.S. Securities and Exchange Commission (CIK 1800911). View S A Mason LLC’s 13F filings on SEC